A method is presented for computing the radiometric response function of a camera from a single grayscale image. While most previous techniques require a set of registered images with different exposures to obtain response data, our approach capitalizes on a statistical feature of graylevel histograms at edge regions to gain information for radio-metric calibration. Appropriate edge regions are automatically determined by our technique, and a prior model of radiometric response functions is employed to deal with incomplete data. With this single-image method, radiometric calibration becomes possible to perform in many instances where the camera is unknown.


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    Titel :

    Determining the radiometric response function from a single grayscale image


    Beteiligte:
    Lin, S. (Autor:in) / Zhang, L. (Autor:in)


    Erscheinungsdatum :

    2005-01-01


    Format / Umfang :

    373651 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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